Lecture
This lecture covers the fundamentals of antennas, including classic antenna characteristics, wireless communication based on electromagnetic radiation, and the components of a wireless telemedicine system. It also explores the propagation of electromagnetic waves in different media, such as free space and the atmosphere, discussing phenomena like absorption, refraction, and diffraction. The instructor delves into the impact of obstacles on signal reflection and diffraction, as well as the concept of multipath propagation. Additionally, the lecture addresses path loss in wireless transmission, considering factors like distance, wavelength, and path loss exponents used in various environments.